Firefighters tackle a blaze that broke out earlier this evening (November 16) at an office block that was having work carried out on it in central London.<br /><br />In the video, filmed from several storeys up from an opposite building, firefighters can be seen on the roof of the building, situated on Clerkenwell Road, attempting to tackle the blaze. <br /><br />Later the camera pans down to reveal a fire engine and more firefighters on the scene at ground level.
